7. The Molecular mass of ammonia is 17.
a) How much is the GMM of ammonia?
b) Find out the number of moles of molecules present in 170g of
ammonia
c) Calculate the number of ammonia molecules present in the above
sample of ammonia?
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Answer:
eg:
Number of molecules = Mole ×6.022×10
23
=10×6.022×10
23
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